init core auth

composeApp/src/commonMain/kotlin/InitialApp.kt

@@ -5,10 +5,14 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import cafe.adriel.voyager.navigator.Navigator
 import cafe.adriel.voyager.transitions.SlideTransition
-import com.stslex.core.database.store.UserStore
+import com.stslex.core.network.utils.token.AuthController
+import com.stslex.core.ui.navigation.AppNavigator
+import com.stslex.core.ui.navigation.AppScreen
 import com.stslex.feature.auth.ui.AuthScreen
 import main_screen.MainScreen
 import org.koin.compose.getKoin
@@ -17,7 +21,26 @@ import org.koin.compose.getKoin
 fun InitialApp(
     modifier: Modifier = Modifier
 ) {
-    val userStore = getKoin().get<UserStore>()
+    val koin = getKoin()
+    val userStore = remember {
+        koin.get<AuthController>()
+    }
+    val navigator = remember {
+        koin.get<AppNavigator>()
+    }
+
+    LaunchedEffect(Unit) {
+        userStore.isAuthFlow.collect { isAuth ->
+            val currentScreen = navigator.currentScreen
+            if (
+                isAuth.not() &&
+                currentScreen != null &&
+                currentScreen != AppScreen.Auth
+            ) {
+                navigator.navigate(AppScreen.Auth)
+            }
+        }
+    }
 
     Scaffold(
         modifier = modifier

composeApp/src/commonMain/kotlin/navigator/AppNavigatorImpl.kt

@@ -18,6 +18,15 @@ class AppNavigatorImpl : AppNavigator {
         _navigator = navigator
     }
 
+    override val currentScreen: AppScreen?
+        get() = when (val item = _navigator?.lastItemOrNull) {
+            AuthScreen -> AppScreen.Auth
+            MainScreen -> AppScreen.Main
+            MatchFeedScreen -> AppScreen.MatchFeed
+            is FilmScreen -> AppScreen.Film(item.id)
+            else -> null
+        }
+
     override fun navigate(
         screen: AppScreen
     ) {

core/database/src/commonMain/kotlin/com/stslex/core/database/store/UserStore.kt

@@ -2,10 +2,10 @@ package com.stslex.core.database.store
 
 interface UserStore {
 
-    var userToken: String
+    var accessToken: String
     var refreshToken: String
     var username: String
     var uuid: String
-    val isAuth: Boolean
+
     fun clear()
 }

core/database/src/commonMain/kotlin/com/stslex/core/database/store/UserStoreImpl.kt

@@ -6,7 +6,7 @@ class UserStoreImpl(
     private val userSettings: UserSettings
 ) : UserStore {
 
-    override var userToken: String
+    override var accessToken: String
         get() = userSettings.getString(KEY_TOKEN, EMPTY_VALUE)
         set(value) {
             userSettings[KEY_TOKEN] = value
@@ -30,9 +30,6 @@ class UserStoreImpl(
             userSettings[KEY_UUID] = value
         }
 
-    override val isAuth: Boolean
-        get() = userToken.isBlank().not()
-
     override fun clear() {
         userSettings.clear()
     }

core/network/build.gradle.kts

@@ -38,6 +38,7 @@ kotlin {
     sourceSets {
         commonMain.dependencies {
             implementation(project(":core:core"))
+            implementation(project(":core:database"))
             implementation(libs.bundles.ktor)
             implementation(libs.kotlinx.serialization.json)
             implementation(libs.slf4j.simple)

core/network/src/commonMain/kotlin/com/stslex/core/network/api/base/BaseNetworkClient.kt

@@ -1,16 +1,16 @@
 package com.stslex.core.network.api.base
 
 import com.stslex.core.core.AppDispatcher
-import com.stslex.core.network.api.base.model.DefaultRequest
 import com.stslex.core.network.api.base.NetworkClientBuilder.setupDefaultRequest
 import com.stslex.core.network.api.base.NetworkClientBuilder.setupLogging
 import com.stslex.core.network.api.base.NetworkClientBuilder.setupNegotiation
+import com.stslex.core.network.api.base.model.DefaultRequest
 import io.ktor.client.HttpClient
 import io.ktor.client.engine.cio.CIO
 import io.ktor.client.plugins.cache.HttpCache
 import kotlinx.coroutines.withContext
 
-abstract class BaseNetworkClient(
+open class BaseNetworkClient(
     private val appDispatcher: AppDispatcher,
     defaultRequest: DefaultRequest = DefaultRequest.EMPTY
 ) : NetworkClient {

core/network/src/commonMain/kotlin/com/stslex/core/network/api/server/ServerApiClient.kt

@@ -0,0 +1,94 @@
+package com.stslex.core.network.api.server
+
+import com.stslex.core.core.AppDispatcher
+import com.stslex.core.network.api.base.NetworkClient
+import com.stslex.core.network.api.base.NetworkClientBuilder.setupLogging
+import com.stslex.core.network.api.base.NetworkClientBuilder.setupNegotiation
+import com.stslex.core.network.utils.token.AuthController
+import com.stslex.core.network.utils.token.toModel
+import io.ktor.client.HttpClient
+import io.ktor.client.call.body
+import io.ktor.client.engine.cio.CIO
+import io.ktor.client.plugins.HttpResponseValidator
+import io.ktor.client.plugins.ResponseException
+import io.ktor.client.plugins.auth.Auth
+import io.ktor.client.plugins.auth.providers.BearerTokens
+import io.ktor.client.plugins.auth.providers.bearer
+import io.ktor.client.plugins.defaultRequest
+import io.ktor.client.request.HttpRequest
+import io.ktor.client.request.get
+import io.ktor.client.request.headers
+import io.ktor.http.ContentType
+import io.ktor.http.HttpStatusCode
+import io.ktor.http.URLProtocol
+import io.ktor.http.contentType
+import io.ktor.http.encodedPath
+import kotlinx.coroutines.withContext
+
+interface ServerApiClient : NetworkClient
+
+class ServerApiClientImpl(
+    private val tokenProvider: AuthController,
+    private val appDispatcher: AppDispatcher
+) : ServerApiClient {
+
+    private val client = HttpClient(CIO) {
+        setupNegotiation()
+
+        setupLogging()
+        expectSuccess = true
+
+        install(Auth) {
+            bearer {
+                loadTokens {
+                    BearerTokens(
+                        accessToken = tokenProvider.accessToken,
+                        refreshToken = tokenProvider.refreshToken
+                    )
+                }
+            }
+        }
+        HttpResponseValidator {
+            handleResponseExceptionWithRequest(errorParser)
+        }
+        defaultRequest {
+            url(API_HOST) {
+                host = API_HOST
+                encodedPath = "api/v1"
+                protocol = URLProtocol.HTTP
+                contentType(ContentType.Application.Json)
+            }
+            headers {
+                append(API_KEY_NAME, "API_KEY") // TODO
+            }
+        }
+    }
+
+    override suspend fun <T> request(
+        request: suspend HttpClient.() -> T
+    ): T = withContext(appDispatcher.io) {
+        request(client)
+    }
+
+    private val errorParser: suspend (Throwable, HttpRequest) -> Unit
+        get() = { exception, _ ->
+            val clientException = exception as? ResponseException ?: throw exception
+            if (HttpStatusCode.Unauthorized.value == clientException.response.status.value) {
+                refreshToken()
+            } else {
+                throw clientException
+            }
+        }
+
+    private suspend fun refreshToken() {
+        val tokenResponse = client
+            .get("passport/refresh")
+            .body<TokenResponseModel>()
+        tokenProvider.update(tokenResponse.toModel())
+    }
+
+    companion object {
+        private const val API_KEY_NAME = "API_KEY"
+        private const val API_HOST = "api_host"
+    }
+}

core/network/src/commonMain/kotlin/com/stslex/core/network/api/server/TokenResponseModel.kt

@@ -0,0 +1,16 @@
+package com.stslex.core.network.api.server
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class TokenResponseModel(
+    @SerialName("uuid")
+    val uuid: String,
+    @SerialName("username")
+    val username: String,
+    @SerialName("access_token")
+    val accessToken: String,
+    @SerialName("refresh_token")
+    val refreshToken: String
+)

core/network/src/commonMain/kotlin/com/stslex/core/network/clients/auth/client/AuthClient.kt

@@ -0,0 +1,11 @@
+package com.stslex.core.network.clients.auth.client
+
+import com.stslex.core.network.clients.auth.response.LoginOkResponse
+
+interface AuthClient {
+
+    suspend fun authUser(login: String, password: String): LoginOkResponse
+
+    suspend fun registerUser(login: String, username: String, password: String): LoginOkResponse
+}
+

core/network/src/commonMain/kotlin/com/stslex/core/network/clients/auth/client/AuthClientImpl.kt

@@ -0,0 +1,53 @@
+package com.stslex.core.network.clients.auth.client
+
+import com.stslex.core.network.api.server.ServerApiClient
+import com.stslex.core.network.clients.auth.request.AuthRequest
+import com.stslex.core.network.clients.auth.response.LoginOkResponse
+import com.stslex.core.network.clients.auth.response.RegisterRequest
+import com.stslex.core.network.utils.token.AuthController
+import com.stslex.core.network.utils.token.toModel
+import io.ktor.client.call.body
+import io.ktor.client.request.post
+import io.ktor.util.InternalAPI
+
+class AuthClientImpl(
+    private val networkClient: ServerApiClient,
+    private val tokenController: AuthController
+) : AuthClient {
+
+    @OptIn(InternalAPI::class)
+    override suspend fun authUser(
+        login: String,
+        password: String
+    ): LoginOkResponse = networkClient.request {
+        post("$AUTH_URL/login") {
+            body = AuthRequest(
+                login = login,
+                password = password
+            )
+        }.body<LoginOkResponse>().also {
+            tokenController.update(it.toModel())
+        }
+    }
+
+    @OptIn(InternalAPI::class)
+    override suspend fun registerUser(
+        login: String,
+        username: String,
+        password: String
+    ): LoginOkResponse = networkClient.request {
+        post("$AUTH_URL/register") {
+            body = RegisterRequest(
+                login = login,
+                password = password,
+                username = username
+            )
+        }.body<LoginOkResponse>().also {
+            tokenController.update(it.toModel())
+        }
+    }
+
+    companion object {
+        private const val AUTH_URL = "passport"
+    }
+}

core/network/src/commonMain/kotlin/com/stslex/core/network/clients/auth/request/AuthRequest.kt

@@ -0,0 +1,12 @@
+package com.stslex.core.network.clients.auth.request
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class AuthRequest(
+    @SerialName("login")
+    val login: String,
+    @SerialName("password")
+    val password: String
+)

core/network/src/commonMain/kotlin/com/stslex/core/network/clients/auth/response/LoginOkResponse.kt

@@ -0,0 +1,16 @@
+package com.stslex.core.network.clients.auth.response
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class LoginOkResponse(
+    @SerialName("uuid")
+    val uuid: String,
+    @SerialName("username")
+    val username: String,
+    @SerialName("access_token")
+    val accessToken: String,
+    @SerialName("refresh_token")
+    val refreshToken: String
+)

core/network/src/commonMain/kotlin/com/stslex/core/network/clients/auth/response/RegisterRequest.kt

@@ -0,0 +1,14 @@
+package com.stslex.core.network.clients.auth.response
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class RegisterRequest(
+    @SerialName("login")
+    val login: String,
+    @SerialName("username")
+    val username: String,
+    @SerialName("password")
+    val password: String
+)